according to the new york times, president obama will ask congress to approve measures including a new path to citizenship for some of 11 million undocumented people currently in the united states, as well as a guest worker program for low-wage immigrant workers. a bipartisan group of senators is working on a comprehensive bill that could be introduced as early as march. the administration is backing eventual citizenship after deporting more than 400,000 undocumented people in the 2012 fiscal year, the largest number in u.s. history. a number of civilians have been killed in an explosion that followed a u.s.-led nato raid in afghanistan. the victims reportedly died as they tried to collect the bodies of taliban fighters who have been killed in a firefight with u.s. troops around a mosque. it is not clear what caused the explosion as the fighters had already been shot dead when the blast occurred. estimates of the civilian death toll stand between seven and 16. the latest violence comes days after president obama announced plans to speed up the transfer of formal military control to afg